Hard-thermal-loop resummation of the free energy of a quark-gluon plasma

被引：101

作者：

Andersen, JO ^{[1
]}

Braaten, E ^{[1
]}

Strickland, M ^{[1
]}

机构：

[1] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

来源：

PHYSICAL REVIEW D | 2000年 / 61卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.61.074016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The quark contribution to the free energy of a hot quark-gluon plasma is calculated to leading order in hard-thermal-loop (HTL) perturbation theory. This method selectively resume higher order corrections associated with plasma effects, such as screening, quasiparticles, and Landau damping. Comparing to the weak-coupling expansion of QCD, the error in the one-loop HTL free energy is of order alpha(s), but the large alpha(s)(3/2) correction from QCD plasma effects is included exactly.

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